Refer to the exhibit. A Symantec NetBackup 7.5 client backup attempt fails with the error message "unable to allocate new media for backup, storage unit has none available(96)". The policy is…

Refer to the exhibit. A Symantec NetBackup 7.5 client backup attempt fails with the error message "unable to allocate new media for backup, storage unit has none available(96)". The policy is configured to use the storage unit displayed below. The available_media report shows the image in the exhibit. Which configuration change must be made to the Storage Unit configuration to allow the backup to use the media that are available in the Scratch pool?